Pest insects

Pest insects can have adverse and damaging impacts on agricultural production and market access, the natural environment, and our lifestyle. Pest insects may cause problems by damaging crops and food production, parasitising livestock, or being a nuisance and health hazard to humans.

Western Australia is free from some of the world's major pest insects. Biosecurity measures on your property are vital in preventing the spread of insects.

The Department of Primary Industries and Regional Development provides:

  • biosecurity/quarantine measures at the WA border to prevent the entry of pest insects
  • where relevant post border biosecurity measures
  • advice on widespread pest insects present in the state.

For advice on pest insects search our website, the Western Australian Organism List or contact our Pest and Disease Information Service (PaDIS).

For diagnostic services, please contact our Diagnostic Laboratory Services.

Articles

  • Apple dimpling bug (Campylomma liebknechti) adults feed on developing fruitlets of apples, pears, nashi pears and occasionally summerfruit (stone fruit) resulting in distortion that makes

  • Queensland fruit fly (Qfly, Bactrocera tryoni) is native to Australia.

  • Western Australia has a low prevalence of citrus pests and diseases compared to most other countries.

  • Aphids are common pests of canola in Western Australia. They suck sap from plants and can be found massed on growing points or lower leaves of canola, depending on the aphid species.

  • Garden weevil (Phlyctinus callosus) was accidentally introduced into Western Australia from South Africa. This weevil is now a severe pest of grapevines and other horticultural crops.

  • This series of video tutorials has been produced to provide advice about the best ways to monitor and sample crops to diagnose and overcome constraints to crop production.

  • Cattle lice cause irritation and rubbing that results in hair loss and poor coat quality. Cattle won’t always require treatment for a skin problem resulting from a lice infestation.

  • The Department of Primary Industries and Regional Development (DPIRD) has been conducting a three and a half-year project to strengthen the State’s biosecurity defences and underpin efforts by indu

  • The Tomato potato psyllid (Bactericera cockerelli) has had significant market access implications for many Western Australian commodities.

  • Citrophilus mealybug (Pseudococcus calceolariae) is a serious pest of many horticultural crops that can downgrade fruit quality and affect fruit production.

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